Police busted a gunman who wounded a foe in Crown Heights, authorities said.

Khalif Abdullah, 22, for undisclosed reasons began threatening the victim at Troy Avenue and Pacific Street on Dec. 1 at 3:20 a.m., according to court documents.

He then unleashed a barrage of bullets, striking the victim in the stomach, back and arm, court records state.

The victim underwent surgery, court records show.

Abdullah was arrested Wednesday and held on $100,000 bail, records show.

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Two cousins were arrested after threatening to set a man alight in Midwood, authorities said.

Alexande Okoh, 44, and Yauheni Brychou, 32, allegedly approached the victim sitting in his car on Bay Parkway and 63rd Street at about 4 p.m. Tuesday and accused him of hitting their vehicle, a law- enforcement source said.

Okoh allegedly punched the man in the face and took his car keys as Brychou snatched the victim’s wallet, the source added.

Okoh doused the victim with an unknown liquid and snarled, “Give me a match. I’m going to light him on fire,” court papers state.

The victim, 26, fled and called 911, and the suspects were busted.

Queens

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Cops are looking for the suspect pictured at right in connection with a phone-snatching spree in Forest Hills, authorities said.

On Dec. 20 the teen thief robbed a 42-year-old man at 6:05 p.m. at Yellowstone Boulevard and 67th Avenue and then a 39-year-old woman at 8 p.m. on Yellowstone Boulevard, police said.

On Christmas Day the suspect grabbed a 27-year-old woman’s phone at 6:30 p.m. on Queens Boulevard, police said.

His next three heists took place on Dec. 28, 29 and 31, police said.

Most recently, he targeted a 54-year-old woman on Queens Boulevard at 6:55 p.m. Wednesday, police said.

Staten Island

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A man busted for drunken driving in Great Kills had a whopping 13 empty beer cans in his car, authorities said.

When a cop stopped Thomas Kelly, 50, on Amboy Road near Lindenwood Road at about 7 p.m. Wednesday, the suspect was reeking of alcohol and his speech was slurred, court papers state.

When asked to step out of the car, he nearly fell over, according to a law-enforcement source.

Although Kelly refused to take a Breathalyzer test, the cop spotted the discarded cans and cuffed him, authorities added.

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A detective with a troubled past is in hot water again.

Richard Palase, 47, was arrested yesterday for slashing the tires of a pal’s sedan in Rossville at about 5 a.m. Wednesday, authorities said.

He allegedly caused more than $250 in damage to the 2011 Lincoln MKZ.

He was cuffed and charged with criminal mischief, records show.

Palase had been arrested by federal authorities in 2011 for allegedly running an illegal gambling ring that ran high-stakes poker games.

Police did not respond to a request for comment on Palase’s status with the department.

The Bronx

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An anonymous tip led cops to a grenade in a building in Kingsbridge yesterday, authorities said.

The explosive was found in the basement of a building near West 238th Street and Waldo Avenue at 3 p.m., police said.

The grenade was detonated at an NYPD training facility at Rodman’s Neck, police added.